Package org.springframework.data.repository.support

Class Repositories

java.lang.Object

org.springframework.data.repository.support.Repositories

All Implemented Interfaces:

Iterable<Class<?>>

public class Repositories
extends Object
implements Iterable<Class<?>>

Wrapper class to access repository instances obtained from a ListableBeanFactory.

Author:

Oliver Gierke, Thomas Darimont, Thomas Eizinger, Christoph Strobl, Alessandro Nistico, Johannes Englmeier

Constructor Summary

Constructors

Constructor	Description
Repositories(ListableBeanFactory factory)	Creates a new Repositories instance by looking up the repository instances and meta information from the given ListableBeanFactory.

Method Summary

Modifier and Type	Method	Description
<T, S> EntityInformation<T,S>	getEntityInformationFor(Class<?> domainClass)	Returns the EntityInformation for the given domain class.
PersistentEntity<?,?>	getPersistentEntity(Class<?> domainClass)	Returns the PersistentEntity for the given domain class.
List<QueryMethod>	getQueryMethodsFor(Class<?> domainClass)	Returns the QueryMethods contained in the repository managing the given domain class.
Optional<Object>	getRepositoryFor(Class<?> domainClass)	Returns the repository managing the given domain class.
Optional<RepositoryInformation>	getRepositoryInformation(Class<?> repositoryInterface)	Returns the RepositoryInformation for the given repository interface.
Optional<RepositoryInformation>	getRepositoryInformationFor(Class<?> domainClass)	Returns the RepositoryInformation for the given domain class.
RepositoryInformation	getRequiredRepositoryInformation(Class<?> domainType)	Returns the RepositoryInformation for the given domain type.
boolean	hasRepositoryFor(Class<?> domainClass)	Returns whether we have a repository instance registered to manage instances of the given domain class.
Iterator<Class<?>>	iterator()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

Repositories

public Repositories(ListableBeanFactory factory)

Creates a new Repositories instance by looking up the repository instances and meta information from the given ListableBeanFactory.

Parameters:

factory - must not be null.

Method Details

hasRepositoryFor

public boolean hasRepositoryFor(Class<?> domainClass)

Returns whether we have a repository instance registered to manage instances of the given domain class. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

getRepositoryFor

public Optional<Object> getRepositoryFor(Class<?> domainClass)

Returns the repository managing the given domain class. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

getEntityInformationFor

public <T,
S> EntityInformation<T,S> getEntityInformationFor(Class<?> domainClass)

Returns the EntityInformation for the given domain class. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

See Also:

• ProxyUtils.getUserClass(java.lang.Class<?>)

getRepositoryInformationFor

public Optional<RepositoryInformation> getRepositoryInformationFor(Class<?> domainClass)

Returns the RepositoryInformation for the given domain class. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

the RepositoryInformation for the given domain class or Optional#empty() if no repository registered for this domain class.

See Also:

• ProxyUtils.getUserClass(java.lang.Class<?>)

getRequiredRepositoryInformation

public RepositoryInformation getRequiredRepositoryInformation(Class<?> domainType)

Returns the RepositoryInformation for the given domain type. The given domainType is unwrapped to the actual user class if necessary.

Parameters:

domainType - must not be null.

Returns:

the RepositoryInformation for the given domain type.

Throws:

IllegalArgumentException - in case no RepositoryInformation could be found for the given domain type.

See Also:

• ProxyUtils.getUserClass(java.lang.Class<?>)

getRepositoryInformation

public Optional<RepositoryInformation> getRepositoryInformation(Class<?> repositoryInterface)

Returns the RepositoryInformation for the given repository interface.

Parameters:

repositoryInterface - must not be null.

Returns:

the RepositoryInformation for the given repository interface or null there's no repository instance registered for the given interface.

Since:

1.12

getPersistentEntity

public PersistentEntity<?,?> getPersistentEntity(Class<?> domainClass)

Returns the PersistentEntity for the given domain class. Might return null in case the module storing the given domain class does not support the mapping subsystem. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

the PersistentEntity for the given domain class or null if no repository is registered for the domain class or the repository is not backed by a MappingContext implementation.

See Also:

• ProxyUtils.getUserClass(java.lang.Class<?>)

getQueryMethodsFor

public List<QueryMethod> getQueryMethodsFor(Class<?> domainClass)

Returns the QueryMethods contained in the repository managing the given domain class. The given domainClass is unwrapped to the actual user class if necessary.

Parameters:

domainClass - must not be null.

Returns:

See Also:

• ProxyUtils.getUserClass(java.lang.Class<?>)

iterator

public Iterator<Class<?>> iterator()

Specified by:

iterator in interface Iterable<Class<?>>